/*
 * $Id: MappedValues.java 3882 2010-11-05 09:24:37Z kleopatra $
 *
 * Copyright 2009 Sun Microsystems, Inc., 4150 Network Circle,
 * Santa Clara, California 95054, U.S.A. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.jdesktop.swingx.renderer;

import javax.swing.Icon;
import javax.swing.plaf.UIResource;

/**
 * A collection of common {@code MappedValue} implementations.
 *
 * @author kschaefer
 */
public final class MappedValues {
	/**
	 * A {@code MappedValue} that returns either a {@code String} or
	 * {@code Icon}, but not both.
	 */
	@SuppressWarnings("serial")
	public static final MappedValue STRING_OR_ICON_ONLY = new MappedValue(new StringValue() {
		@Override
		public String getString(Object value) {
			if (value instanceof Icon) {
				return StringValues.EMPTY.getString(value);
			}

			return StringValues.TO_STRING.getString(value);
		}
	}, IconValues.ICON);

	/**
	 * MappedValue wrapper of type UIResource to tag LAF installed converters.
	 * 
	 * @author (Jeanette Winzenburg, Berlin
	 */
	public static class MappedValueUIResource extends MappedValue implements UIResource {

		public MappedValueUIResource(MappedValue delegate) {
			this(delegate, delegate, delegate);
		}

		/**
		 * @param stringDelegate
		 * @param iconDelegate
		 * @param booleanDelegate
		 */
		public MappedValueUIResource(StringValue stringDelegate, IconValue iconDelegate, BooleanValue booleanDelegate) {
			super(stringDelegate, iconDelegate, booleanDelegate);
		}

		/**
		 * @param stringDelegate
		 * @param iconDelegate
		 */
		public MappedValueUIResource(StringValue stringDelegate, IconValue iconDelegate) {
			super(stringDelegate, iconDelegate);
		}

	}

	private MappedValues() {
		// prevent instantiation
	}
}
